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TLS Online TPP Program

#Question id: 3886

Which one of the following statements about the reverse transcriptases of retroviruses and the RNA replicases of other single-stranded RNA viruses, such as R17 and influenza virus, is correct?

#SCPH05 I Biotechnology

  1. Both enzymes can synthesize either RNA or DNA from an RNA template strand.

  2. Both enzymes can utilize DNA in addition to RNA as a template strand.

  3. Both enzymes carry the specificity for the RNA of their own virus.

  4. Both enzymes have error rates similar to those of cellular RNA polymerases.

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TLS Online TPP Program

#Question id: 352

#SCPH01 Biochemistry

One mole (mol) of glucose (molecular mass = 180 daltons) is ________.
TLS Online TPP Program

#Question id: 15478

#I Life Science/ Life Sciences Group – I-V

Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as 
TLS Online TPP Program

#Question id: 1592

#SCPH28 | Zoology

Which of these molecules is incorrectly paired with a source?
TLS Online TPP Program

#Question id: 2140

#SCPH06 I Botany

According to the current model for HIV infection, which of the following is not involved in the process of membrane fusion?
TLS Online TPP Program

#Question id: 4358

#SCPH28 | Zoology

Which of the following mechanisms is used to coordinate the expression of multiple, related genes in eukaryotic cells?